--- a/src/core/callback.h	Wed May 16 13:37:39 2007 -0400
+++ b/src/core/callback.h	Wed May 16 16:39:32 2007 -0400
@@ -548,7 +548,7 @@
 }
 
 
-/**
+/*
  * The following is experimental code. It works but we have
  * not yet determined whether or not it is really useful and whether
  * or not we really want to use it.